Inventor · disambiguated record
Fumio Hanada
Also filed as: HANADA FUMIO
4 granted patents·87 citations·filing 1989–2001
79Inventor score
Top patents by PatentIndex Score
4 records- 0176US5221455ABipolar membrane and method for its productionTOKUYAMA SODA KK·Filed 1991·Granted Jun 22, 1993·36 cites·18 claims
- 0266US4923611ANovel anion-exchange membraneTOKUYAMA SODA KK·Filed 1989·Granted May 8, 1990·23 cites·8 claims
- 0365US6596137B2Bipolar membraneTOKOYAMA CORP·Filed 2001·Granted Jul 22, 2003·16 cites·13 claims
- 0442US5415751AMethod of producing acids and alkalisTOKUYAMA CORP·Filed 1993·Granted May 16, 1995·12 cites·19 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →